Overhauling the throttle body assemblies is normal and necessary with the high mileage (kilometers covered) with the (superb!) sports-touring type of machine this item fits. Overhauling for reliability and aesthetics will be better served by replacing as many of the old, worn parts as possible - even new fasteners look better than the old dull or corroded items.
Other related parts listed below:
Order all the new anti-vibe components required at the same time, this vital connector damper for example 16719MFJD00, and save money on shipping costs and avoid frustration later in your workshop or garage when you find a vital part missing.
Please make sure that the part numbers you order are compatible with your model.